Tephra is any type and size of rock fragment that is forcibly ejected from a volcano and travels an airborne path during an eruption. Examples include ash, bombs, scoria, and shards of volcanic glass ...

The USGS Hawaiian Volcano Observatory “lavas” working with our partners at the University of Hawai‘i at Hilo (UHH), and for Valentine’s Day we wanted to highlight some of the things we appreciate ...

HILO, Hawaii (KHON2) — The Hawaiian Volcano Observatory (HVO) on the Big Island announced on Thursday, Jan. 7, the opening of a new lab that will help scientists study volcanic samples known as tephra ...

Somebody call Harry Dalton or Mike Roark, or really anybody from ’90s volcano films—you know, when eruption movies were at their Dante’s Peak—and tell them we have a situation on our hands: scientists ...

The electrifying displays of lightning often seen over volcanoes have now been experimentally generated in the lab, research that could help shed light on the effects volcanic eruptions have on the ...

I hope that the big money tourist industry doesn't try to start booking tours to this place, and let nature take it's natural course. If anything, you will see the so called "green" people who argue ...

Using rock from Sicily's Mount Etna they found that small-scale simulations of volcanic activity could be scaled up and related to real events, with fractures of 50 mm (2 inches) in the lab ...

Researchers in Munich are using a "volcano in the lab" to investigate the spectacular lightning often observed in eruption plumes. The hope eventually is to learn something about the nature of ...

Don't do this at home. Corrado Cimarelli makes his own volcanoes that spout ash vertically at hundreds of metres a second. The Italian is studying the awesome sight of lightning that is often observed ...

PORTO (Lusa) - The Capelinhos volcano in the Azores is "an open book" with the potential to become a "laboratory" for the exploration of the volcanic system on Mars, according to a former director of ...

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